Yonsung Fine Chemical Co., Ltd.

Republic of Korea

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Total IP 28
Total IP Rank # 52,845
IP Activity Score 2/5.0    14
IP Activity Rank # 61,210

Patents

Trademarks

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Last Patent 2025 - Method for preparing naldemedine
First Patent 2002 - Process for preparing sulfamoyl-...

Latest Inventions, Goods, Services

2025 Invention Method for preparing naldemedine. Provided are a cost-effective process for preparing naldemedin...
2021 Invention Crystalline forms of lifitegrast, and pharmaceutical composition comprising same. The present inv...
Invention Limaprost-containing sustained release formulation. The present invention provides a sustained re...
Invention Crystalline salt of eribulin. An eribulin salt formed by combining an eribulin free base with a ...
Invention Crystalline salt of eribulin. The present invention relates to a salt of eribulin, which is forme...
2020 Invention Method for producing maxacalcitol, and intermediate therefor. A new and improved method for prepa...
Invention Method for producing maxacalcitol, and intermediate therefor. The present invention provides a me...
Invention Method for preparing lifitegrast. An improved method for preparing lifitegrast is provided. The ...
Invention Method for preparing lifitegrast. The present invention provides a method for preparing highly pu...
Invention Method for preparing naldemedine. Provided is a cost-effective process for preparing naldemedine ...
Invention Method for preparing naldemedine. The present invention provides a method for economically prepar...
2019 Invention Orally disintegrating tablet containing nalfurafine. The present invention provides an orally dis...
Invention Method for preparing sugammadex sodium salt. The present invention relates to a method for prepar...
2018 Invention Intermediate for preparing eribulin mesylate and process for preparing the same. The present inve...
Invention Intermediate for preparing eribulin mesylate and method for preparing same. The present invention...
Invention Method for preparing latanoprostene bunod, and intermediate therefor. The present invention relat...
Invention Ophthalmic composition for glaucoma treatment. The present invention provides an ophthalmic compo...
Invention Production intermediate of eribulin mesylate, and method for producing same. The present inventio...
2017 Invention Method for preparing eldecalcitol and intermediate therefor. The present invention relates to a m...
Invention Method for preparing treprostinil and intermediate therefor. The present invention relates to a c...
Invention Method for preparing treprostinil and intermediate therefor. The present invention relates to a m...
Invention Method for preparing 3-((2s, 5s)-4-methylene-5-(3-oxopropyl)tetrahydrofurane-2-yl) propanol deriv...
Invention Method for preparing 3-((2s,5s)-4-methylene-5-(3-oxopropyl)tetrahydrofurane-2-yl) propanol deriva...
2015 Invention Method for preparing blonanserin and intermediate therefor. The present invention relates to a me...
2013 Invention Process for preparing prostaglandin derivatives. The present invention relates to a process for ...
2010 Invention Process for preparing prostaglandin derivatives. The present invention relates to a process for p...
2003 Invention Process for preparing prostaglandin derivatives and starting materials for the same. The present ...
Invention Process for preparing sulfamoyl-substituted phenethylamine derivatives. The present invention rel...